Method and apparatus for controlling allocation of traffic channels in macrocell/microcell telecommunications networks
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United States of America Patent
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Aug 10, 1999
Grant Date -
N/A
app pub date -
Apr 4, 1997
filing date -
Apr 4, 1997
priority date (Note) -
Expired
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Abstract
In methods and apparatus for controlling allocation of traffic channels in a telecommunications network having macrocells and microcells within the macrocells, a macrocell traffic channel is allocated in response to a request for a microcell traffic channel only when no suitable microcell traffic channel is available, a suitable macrocell traffic channel is available, and the requested microcell traffic channel is requested to implement a microcell to microcell handoff. Allocation of the macrocell traffic channel may further be conditional on a grade of service in the macrocell being deemed acceptable. The grade of service may be deemed acceptable when number of macrocell traffic channels assigned to each microcell is less than a predetermined maximum number of allowable macrocell traffic channels that can be assigned to each microcell (cutoff value) or when more than a threshold number of macrocell channels are available in the macrocell.
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